Senior Cyber Security Engineer - Defence Systems

Eos Defence Systems Pty Ltd; Adelaide; On-site; AUD 140,000 - 180,000; Full time

Job summary

EOS Defence Systems Pty Ltd is seeking a Senior Cyber Security Engineer to lead system-level cyber security across complex Defence programs. You will define requirements, develop secure architectures, oversee assurance activities and manage security risks to ensure material systems remain secure and compliant.

You will provide guidance to project teams, produce compliance artefacts, and support accreditation processes, including policy, control and risk documentation to demonstrate conformance

Qualifications

• Experience delivering system-level cybersecurity across complex programs.
• Proficiency in secure software development and DevSecOps pipelines.
• Strong knowledge of ACSC ISM, DSPF, and PSPF frameworks.
• Eligibility for Australian Defence security clearance and Australian citizenship.

Responsibilities

• Elicit, develop and manage cybersecurity requirements, baselines and controls.
• Collaborate with stakeholders to analyse customer cybersecurity requirements.
• Support development and test teams in implementing cybersecurity requirements.
• Develop and maintain security documentation and assist in accreditation activities.
• Act as technical point of contact for system-level cybersecurity discussions.
• Perform technical risk assessments and assist in incident response.
• Support security working groups to discuss risks and controls.
• Conduct threat risk and vulnerability assessments.
• Perform threat modelling and implement controls and mitigations.
• Coach and mentor team members on cybersecurity designs.

Skills

Systems Engineering

Software Engineering

Embedded Systems

Secure SDLC

DevSecOps

Code Analysis

ISM/DSPF/PSPF

SOP Development

Prioritisation

Continuous Improvement

Education

University degree in Cyber Security/Engineering

Certifications in Cyber Security

Tools

DevSecOps tooling

Code analysis tools

Job description

EOS Defence Systems Pty Ltd is seeking a Senior Cyber Security Engineer to lead system-level cyber security across complex Defence programs. You will define requirements, develop secure architectures, oversee assurance activities and manage security risks to ensure material systems remain secure and compliant.

You will provide guidance to project teams, produce compliance artefacts, and support accreditation processes, including policy, control and risk documentation to demonstrate conformance